Annular bullous pemphigoid: A case report and review of literature.
SAGE Open Med Case Rep 2022;
10:2050313X221093128. [PMID:
35495292 PMCID:
PMC9039429 DOI:
10.1177/2050313x221093128]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bullous pemphigoid is an autoimmune blistering disease that primarily affects the geriatric population. It often presents as urticarial erythematous plaques, which evolve into subepidermal blisters accompanied by pruritus. Although rare, clinical variants of bullous pemphigoid have been documented. We present a rare case of annular bullous pemphigoid in a 50-year-old male and offer a brief review of the literature. Only five other case reports, including three in adults, have described this unusual presentation, which can mimic other autoimmune blistering diseases, including linear IgA bullous dermatosis and pemphigus herpetiformis. Therefore, histopathology and immunologic studies were essential in properly diagnosing this patient. Our case supports that annular blistering lesions can be a clinical variant of bullous pemphigoid.
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